Diabetes, high blood sugar: think of vitamin C and magnesium

vitamin c and diabetes

Vitamin C and magnesium help control blood sugar and prevent complications.,

6 people die from diabetes <  destructeur de diabete  >complications every minute. To better control your blood sugar, you need, in addition to diet and exercise, think of vitamin C and magnesium.  

Vitamin C

In a new study , researchers investigated the effect of vitamin C supplementation on glycemic control (measurement of glucose concentration and glycated hemoglobin Hb1Ac) and insulin regulation. For this, they analyzed the results of 22 studies, including a total of 937 participants (diabetic or not). Vitamin C doses ranged from 72 to 6000 mg per day.Read alsoA walk after the meal improves blood sugar Canolaoil helps control blood sugar

The results show that vitamin C supplementation can lower blood sugar levels  in diabetic patients . The beneficial effect of vitamin C on blood glucose is even greater when supplementation lasts more than 30 days . In addition, the impact of vitamin C on glycemic control varies with a number of factors including: age, body mass index, duration of supplementation, and initial glucose and of vitamin C.

Vitamin C supplementation also reduces plasma fasting insulin levels, especially in older, overweight or obese people.

To go further: The guide to antioxidant supplements

High blood glucose results in the production of free radicals which, when they are in excess (oxidative stress), can no longer be neutralized by the antioxidants present in the body. The complications of diabetes are partly explained by oxidative stress, itself causing inflammation and damage to the endothelium. With its antioxidant properties, vitamin C can help fight the damage caused by oxidative stress.

Read: How free radicals make us age

Studies show that higher antioxidant capacity is associated with decreased insulin resistance and better glycemic control. In addition, people with diabetes have lower blood levels than those who are healthy. And having high blood levels of vitamin C lowers the risk of diabetes.

Another randomized study in 2019 of 53 patients with type 2 diabetes for 8 weeks showed that vitamin C supplementation with rutin (antioxidant of the flavonoid family) appears to be effective in improving the quality of life, vitality, as well as fasting glucose.

Magnesium

People with diabetes who lack magnesium would be at greater risk of complications associated with the disease. This is suggested by a study published in Clinical Nutrition that low magnesium levels are associated with a significant increase in blood glucose.

The authors followed 51 people with diabetes and showed that over 75% of participants lack magnesium. The lower the magnesium level, the lower the fasting glucose level and 2 hours after the meal is high . It is possible that lack of magnesium disrupts the action of insulin by causing insulin receptors to malfunction: this would cause an accumulation of glucose in the blood. According to the figures, at least one diabetic in two lacks magnesium.

Read: The best sources of magnesium

In case of magnesium deficiency, specialists advise supplements of 300 to 600 mg / day, then, once the magnesium status restored, 100 to 300 mg per day, plus a magnesium-rich diet. Read this article to find out which magnesium supplement to choose .

To learn more about magnesium:  Take care with the magnesium  of Anne-Laure Denans 

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